diff --git a/ch2-cgo/ch2-02-basic.md b/ch2-cgo/ch2-02-basic.md
index e37fa73..6aff618 100644
--- a/ch2-cgo/ch2-02-basic.md
+++ b/ch2-cgo/ch2-02-basic.md
@@ -123,9 +123,9 @@ package main
 #if defined(CGO_OS_WINDOWS)
 	const char* os = "windows";
 #elif defined(CGO_OS_DARWIN)
-	static const char* os = "darwin";
+	const char* os = "darwin";
 #elif defined(CGO_OS_LINUX)
-	static const char* os = "linux";
+	const char* os = "linux";
 #else
 #	error(unknown os)
 #endif